Earlier today, relatives and friends of victims and city, state and federal officials gathered at Zuccotti Park to commemorate the events of September 11. Mayor Bloomberg said, "Today marks the seventh anniversary of the day our world was broken...a day that began like any other and ended as none ever has." (Video below.)

This year is the final year for families to make the pilgrimage down to the "pit" Ground Zero, because of construction plans. One man who escaped the south tower told the Daily News, "I wouldn't know where else to go," and a woman told CityRoom that since none of her son's remains were recovered, the pit is "where he is buried as far as we are concerned."

Here is a list of the 2,751 names (PDF). The World Trade Center Health Registry estimates that 70,000 people have post-traumatic stress disorder due to the attacks.